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Elmet Technologies

Pressure Seal 4757 Chloroprene
Categories: Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes: Compound 4757 is a 70 durometer blue colored Neoprene elastomer, it s is formulated with Teflon to provide internal lubrication. It exhibits good tear strength and good resistance to moderate heat.

This compound will meet or exceed the specifications listed and has the following physical properties: ASTM D2000 3 BC 715 A14 B14 EO14 EO34 G21 Z1; 5 BC 715 A14 B14 EO14 EO34 G21 Z1; 6 BC 715 A14 B14 EO14 EO34 G21 Z1; 2 BE 715 A14 EO14 EO34 Z1; 3 BE 715 A14 EO14 EO34 G21 Z1
Z1 = 75 +/- 5 Shore A Durometer

Information provided by Pressure Seals Inc.
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Specific Gravity 1.71 g/cc1.71 g/cc
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 7979
 59
@Treatment Temp. 100 °C,
Time 252000 sec		59
@Treatment Temp. 212 °F,
Time 70.0 hour		ASTM Oil #3
 73
@Treatment Temp. 100 °C,
Time 252000 sec		73
@Treatment Temp. 212 °F,
Time 70.0 hour		Distilled water aged
 73
@Treatment Temp. 23.0 °C,
Time 252000 sec		73
@Treatment Temp. 73.4 °F,
Time 70.0 hour		ASTM Reference Fuel A
 74
@Treatment Temp. 100 °C,
Time 252000 sec		74
@Treatment Temp. 212 °F,
Time 70.0 hour		ASTM Oil #1
 82
@Treatment Temp. 100 °C,
Time 252000 sec		82
@Treatment Temp. 212 °F,
Time 70.0 hour		Heat Aged
Tensile Strength 13.46 MPa1952 psi
 10.067 MPa
@Treatment Temp. 23.0 °C,
Time 252000 sec		1460.1 psi
@Treatment Temp. 73.4 °F,
Time 70.0 hour		ASTM Reference Fuel A
 10.471 MPa
@Treatment Temp. 100 °C,
Time 252000 sec		1518.7 psi
@Treatment Temp. 212 °F,
Time 70.0 hour		ASTM Oil #3
 13.795 MPa
@Treatment Temp. 100 °C,
Time 252000 sec		2000.8 psi
@Treatment Temp. 212 °F,
Time 70.0 hour		Heat Aged
 14.602 MPa
@Treatment Temp. 100 °C,
Time 252000 sec		2117.9 psi
@Treatment Temp. 212 °F,
Time 70.0 hour		ASTM Oil #1
Elongation, Ultimate 460 %460 %
 409.86 %
@Treatment Temp. 100 °C,
Time 252000 sec		409.86 %
@Treatment Temp. 212 °F,
Time 70.0 hour		ASTM Oil #3
 430.1 %
@Treatment Temp. 100 °C,
Time 252000 sec		430.1 %
@Treatment Temp. 212 °F,
Time 70.0 hour		Heat Aged
 479.8 %
@Treatment Temp. 23.0 °C,
Time 252000 sec		479.8 %
@Treatment Temp. 73.4 °F,
Time 70.0 hour		ASTM Reference Fuel A
 510.14 %
@Treatment Temp. 100 °C,
Time 252000 sec		510.14 %
@Treatment Temp. 212 °F,
Time 70.0 hour		ASTM Oil #1
100% Modulus 7.226 MPa1048 psi
Tear Strength 45.4 kN/m259 pliDie B; Method D 624
 48.6 kN/m277 pliDie C; Method D 624
Compression Set  27.8 %
@Treatment Temp. 100 °C,
Time 79200 sec		27.8 %
@Treatment Temp. 212 °F,
Time 22.0 hour		Solid
 33.9 %
@Treatment Temp. 100 °C,
Time 252000 sec		33.9 %
@Treatment Temp. 212 °F,
Time 70.0 hour		Solid
 38.7 %
@Treatment Temp. 100 °C,
Time 79200 sec		38.7 %
@Treatment Temp. 212 °F,
Time 22.0 hour		Plied
 46.5 %
@Treatment Temp. 100 °C,
Time 252000 sec		46.5 %
@Treatment Temp. 212 °F,
Time 70.0 hour		Plied
 
Thermal PropertiesMetricEnglishComments
Brittleness Temperature -32.2 °C-26.0 °F
Shrinkage  5.0 %
@Treatment Temp. 100 °C,
Time 252000 sec		5.0 %
@Treatment Temp. 212 °F,
Time 70.0 hour		Volume, ASTM Oil #1
 9.0 %
@Treatment Temp. 100 °C,
Time 252000 sec		9.0 %
@Treatment Temp. 212 °F,
Time 70.0 hour		Volume, Distilled water aged
 10.9 %
@Treatment Temp. 23.0 °C,
Time 252000 sec		10.9 %
@Treatment Temp. 73.4 °F,
Time 70.0 hour		Volume, ASTM Reference Fuel A
 53.1 %
@Treatment Temp. 100 °C,
Time 252000 sec		53.1 %
@Treatment Temp. 212 °F,
Time 70.0 hour		Volume, ASTM Oil #3
 
Descriptive Properties
ColorBlue

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

PPRESL079 / 318289




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